This study aims to investigate the relationship between Internet addiction and social exclusion in female adolescents. The relational screening method was used in the study. The sample group of the study consisted of 244 female adolescents aged 12-18 living in Cinar district of Diyarbakir. To determine the exclusion of adolescents in social relations, the Social Exclusion Scale for adolescents has been used as a data collection tool. Besides, Young Internet addiction Short Form developed by Young (1998) which is the short form created by Pawlikowski, Altstotter-Gleich & Brand (2013) and adapted to Turkish by Kutlu, Savci, Demir and Aysan (2016) has been used to test adolescents' internet addiction. Independent groups t-test, Mann-Whitney U test, Kruskal-Wallis test, Dunn-Bonferroni test, and Spearman correlation analysis were used for data analysis. According to the results of the study, it was found that there was no statistically significant relationship between exclusion score averages and an average of Internet addiction scores (p> 0.05).